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Daikin ATXS20DVMB - User Manual

Daikin ATXS20DVMB
248 pages
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SiENBE04-512A
Service
Manual
Inverter Pair
Wall Mounted Type
C-Series - D-Series
SiENBE04-512A.book Page 1 Friday, October 5, 2007 1:49 PM

Table of Contents

Questions and Answers

  • M
    Mr. Christopher CohenAug 7, 2025
    Why is the cooling or heating effect poor in my Daikin Air Conditioner?
    • K
      Kimberly DunlapAug 7, 2025
      If your Daikin Air Conditioner isn't cooling or heating well, check these: * Ensure the air filters are clean. * Remove any obstructions blocking the air inlet or outlet of the indoor and outdoor units. * Verify the temperature setting is correct. * Make sure all windows and doors are closed. * Confirm the airflow rate and direction are appropriately set. * Check if the unit is set to INTELLIGENT EYE mode.
  • D
    Dustin WoodAug 11, 2025
    What to do if my Daikin Air Conditioner's heating stops suddenly and I hear a flowing sound?
    • C
      Christopher Brown DVMAug 11, 2025
      If the heating operation of your Daikin Air Conditioner stops suddenly and you hear a flowing sound, wait for about 3 to 8 minutes.
  • A
    Anne Shah DDSAug 17, 2025
    What to do if my Daikin ATXS20DVMB Air Conditioner does not operate and the OPERATION lamp is off?
    • W
      William JensenAug 17, 2025
      If your Daikin Air Conditioner isn't turning on (OPERATION lamp is off), consider the following: * Check if a breaker has tripped or a fuse has blown. * Verify there isn't a power failure. * Ensure batteries are correctly installed in the remote control. * Confirm the timer setting is accurate.
  • R
    Richard FuentesAug 21, 2025
    What to do if my Daikin Air Conditioner stops suddenly and the OPERATION lamp flashes?
    • R
      Ricardo AllenAug 21, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp flashes, clean the air filters or remove any obstacles. Turn the breaker OFF, then turn it back ON, and try operating the air conditioner with the remote control. If the lamp continues to flash, it is recommended to call the service shop where you bought the air conditioner.
  • C
    Cody MarksAug 27, 2025
    Why did my Daikin ATXS20DVMB stop suddenly, but the OPERATION lamp is on?
    • L
      Larry NguyenAug 27, 2025
      If your Daikin Air Conditioner stopped suddenly and the OPERATION lamp is on, it might be due to a large voltage fluctuation, which triggers a system protection mechanism. The unit will automatically resume operation in approximately 3 minutes.
  • S
    scott13Aug 31, 2025
    How to get rid of odor from my Daikin Air Conditioner indoor unit?
    • E
      Erin MillsAug 31, 2025
      If your Daikin Air Conditioner's indoor unit emits an odor, it is recommended to have the indoor unit cleaned by a technician. Consult the service shop where you purchased the air conditioner.

Summary

Part 1 List of Functions

1.1 High Grade Models

Details functions specific to high-grade models.

1.2 Standard Grade Models

Outlines functions for standard grade models.

1.3 Non-Inverter Models

Lists functions applicable to non-inverter models.

Part 2 Specifications

1.1 Cooling Only

Provides detailed specifications for cooling-only models.

1.2 Heat Pump

Details specifications for heat pump models.

Part 3 Printed Circuit Board Connector Wiring Diagram

1.1 Indoor Unit

Details indoor unit PCB connectors and their functions.

1.2 Outdoor Unit; ARK(X)S-C

Shows outdoor unit PCB connectors for ARK(X)S series.

1.3 Outdoor Unit; RK(X)H-C, ARK(X)H-C, R(Y)N-C

Details outdoor unit PCB connectors for RK(X)H, ARK(X)H, R(Y)N series.

Part 4 Function and Control

1.1 Frequency Principle

Describes how compressor frequency is controlled for capacity.

1.7 INTELLIGENT EYE

Details the human presence sensor for energy saving.

2. Function of Thermistor

Explains the role of thermistors in temperature sensing and control.

3. Control Specification

Outlines system control logic and specifications.

Part 5 System Configuration

2.1 Safety precautions

Crucial safety guidelines for installation and operation.

2.2 Names of parts

Identifies and labels key components of indoor and outdoor units.

2.11 Care and Cleaning

Provides instructions for maintaining and cleaning the unit.

2.12 Troubleshooting

Offers solutions for common operational issues and errors.

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important warnings and guidelines before performing diagnosis.

2. Problem Symptoms and Measures

Lists common symptoms and their potential causes/solutions.

4. Troubleshooting

Comprehensive guide to diagnosing and resolving system faults.

4.1 Error Codes and Description

Details specific error codes and their meanings for troubleshooting.

Part 7 Removal Procedure

1. Indoor Unit

Procedures for removing components of the indoor unit.

1.4 Removal of Switch Box, PC Board and Swing Motor

Procedures to remove electrical components from the indoor unit.

1.5 Removal of Heat Exchanger

Steps for safely removing the indoor heat exchanger.

2.6 Removal of Compressor

Detailed procedure for removing the compressor.

Part 8 Others

1.1 Test Run from the Remote Control

How to perform a test run using the remote control.

1.2 Jumper Settings

Configuration settings for jumpers on the PCB.

Part 9 Appendix

1. Piping Diagrams

Visual representations of refrigerant piping circuits for various models.

2. Wiring Diagrams

Electrical wiring schematics for system components.

Daikin ATXS20DVMB Specifications

General IconGeneral
BrandDaikin
ModelATXS20DVMB
CategoryAir Conditioner
LanguageEnglish

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